Hilton was the Labour candidate at the
Dunfermline by-election on 20 October 2013. She won by a majority of more than 2,800 votes, overturning a previous
Scottish National Party (SNP) majority of 590. This was the first time ever that Labour had won a parliamentary seat (in either the UK or Scottish parliaments) from the SNP at a by-election. In her victory speech, Hilton praised the courage of preceding MSP
Bill Walker's ex-wives. Walker's conviction for assault against his former wives had led to his resignation from parliament, causing the by-election.
Alex Salmond accused her of running a dishonest campaign, including the circulation of a leaflet criticised by the SNP as "demonstrably untrue". In the
Scottish Parliament election of 2016, Hilton lost her seat to the SNP's
Shirley-Anne Somerville, who she had previously defeated at the by-election three years earlier. Along with the loss of the neighbouring
Cowdenbeath constituency, this left the Labour Party without parliamentary representation in Fife for the first time since 1910. Hilton was the Labour Party candidate for
Dumfermline and West Fife in the
2017 and
2019 general elections, but both times came second behind the incumbent
SNP MP
Douglas Chapman. Hilton served as vice-chair of Scottish Labour from 2019 to 2020, and has served as chair of Scottish Labour since 2020. == Personal life ==